English verb conjugation
MUST DISCO

Regular verb: disco - discoed - discoed

Affirmation

Simple form	V-ing form
I must disco you must disco he must disco we must disco you must disco they must disco	I must be discoing you must be discoing he must be discoing we must be discoing you must be discoing they must be discoing
Perfect	V-ing perfect
I must have discoed you must have discoed he must have discoed we must have discoed you must have discoed they must have discoed	I must have been discoing you must have been discoing he must have been discoing we must have been discoing you must have been discoing they must have been discoing

Negation

Simple form	V-ing form
I mustn't disco you mustn't disco he mustn't disco we mustn't disco you mustn't disco they mustn't disco	I mustn't be discoing you mustn't be discoing he mustn't be discoing we mustn't be discoing you mustn't be discoing they mustn't be discoing
Perfect	V-ing perfect
I mustn't have discoed you mustn't have discoed he mustn't have discoed we mustn't have discoed you mustn't have discoed they mustn't have discoed	I mustn't have been discoing you mustn't have been discoing he mustn't have been discoing we mustn't have been discoing you mustn't have been discoing they mustn't have been discoing

Interrogative form

Simple form	V-ing form
must I disco? must you disco? must he disco? must we disco? must you disco? must they disco?	must I be discoing? must you be discoing? must he be discoing? must we be discoing? must you be discoing? must they be discoing?
Perfect	V-ing perfect
must I have discoed? must you have discoed? must he have discoed? must we have discoed? must you have discoed? must they have discoed?	must I have been discoing? must you have been discoing? must he have been discoing? must we have been discoing? must you have been discoing? must they have been discoing?

Interro-negative form

Simple form	V-ing form
mustn't I disco? mustn't you disco? mustn't he disco? mustn't we disco? mustn't you disco? mustn't they disco?	mustn't I be discoing? mustn't you be discoing? mustn't he be discoing? mustn't we be discoing? mustn't you be discoing? mustn't they be discoing?
Perfect	V-ing perfect
mustn't I have discoed? mustn't you have discoed? mustn't he have discoed? mustn't we have discoed? mustn't you have discoed? mustn't they have discoed?	mustn't I have been discoing? mustn't you have been discoing? mustn't he have been discoing? mustn't we have been discoing? mustn't you have been discoing? mustn't they have been discoing?